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Improved minimal re...
Improved minimal residual disease detection by targeted quantitative polymerase chain reaction in Nucleophosmin 1 type a mutated acute myeloid leukemia
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- Pettersson, Louise (författare)
- Lund University,Lunds universitet,Tumörmikromiljö,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Tumor microenvironment,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,Halmstad County Hospital
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- Levéen, Per (författare)
- Lund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,Skåne University Hospital
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- Axler, Olof (författare)
- Lund University,Lunds universitet,Klinisk kemi, Malmö,Forskargrupper vid Lunds universitet,Clinical Chemistry, Malmö,Lund University Research Groups,Skåne University Hospital
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- Dvorakova, Dana (författare)
- University Hospital Brno
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- Juliusson, Gunnar (författare)
- Lund University,Lunds universitet,Stamcellscentrum (SCC),Avdelningen för stamcellsforskning,Institutionen för laboratoriemedicin,Medicinska fakulteten,Stem Cell Center,Division of stem cell research,Department of Laboratory Medicine,Faculty of Medicine,Skåne University Hospital
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- Ehinger, Mats (författare)
- Lund University,Lunds universitet,Tumörmikromiljö,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Tumor microenvironment,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,Skåne University Hospital
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(creator_code:org_t)
- 2016-06-24
- 2016
- Engelska 17 s.
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Ingår i: Genes, Chromosomes and Cancer. - : Wiley. - 1045-2257. ; 55:10, s. 750-766
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Multicolor flow cytometry (MFC) and real-time quantitative PCR (RQ-PCR) are important independent techniques to determine minimal residual disease (MRD) in acute myeloid leukemia (AML). MFC is the standard method, but may be unreliable. Therefore, MFC-based determination of MRD with an RQ-PCR-based approach targeting the nucleophosmin 1 (NPM1) type A mutation was set out to compare. Since most current NPM1 RQ-PCR MRD protocols suffer from clear definitions of quantifiability, we sought to define quantifiability in a reproducible and standardized manner. The limit of quantifiability of our RQ-PCR protocol for the NPM1 type A mutation varied between 0.002% and 0.04% residual leukemic cells depending on the features of the standard curve for each PCR experiment. The limit of detection was close to 0.001% leukemic cells. The limit of detection by MFC ranged from 0.01% to 1% depending on the phenotype of the leukemic cells as compared with non-leukemic bone marrow cells. Forty-five MRD samples from 15 patients using both NPM1 mutation specific RQ-PCR and MFC were analyzed. In 32 of the 45 samples (71%), an MRD-signal could be detected with RQ-PCR. A quantifiable NPM1 mutation signal was found in 15 samples (33%) (range 0.003%–2.6% leukemic cells). By contrast, only two follow-up samples (4%) showed residual leukemic cells (0.04% and 0.3%, respectively) by MFC. Thus, RQ-PCR of the NPM1 type A mutation was more sensitive and reliable than MFC for determination of MRD, which might have clinical implications.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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